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Metallurgist
Erschienen in: Metallurgist 5-6/2019

14.11.2019

Mold Oscillating System with Optimized Non-Sinusoidal Oscillation Profile

verfasst von: Chao Zhou, Xingzhong Zhang, Fang Wang, Yiming Fang

Erschienen in: Metallurgist | Ausgabe 5-6/2019

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Abstract

A mold oscillating system for continuous casting machines has been developed based on a nonsinusoidal oscillation profile with an online oscillation control capability. A new type of the mold oscillating system is proposed comprising two servomotor-driven eccentric shafts. The principle of operation of a non-sinusoidal oscillation system is described. Based on the analysis of the non-sinusoidal oscillation waveform expressed as a piecewise linear function, the angular speed of a servomotor necessary to realize such oscillations was determined. A procedure for calculating process parameters was developed. The model of synchronized control of the casting speed and oscillation frequency was optimized and process parameters were calculated for the deviation factor of 20% and amplitude equal to 4 mm. The mold oscillating systems of sinusoidal and non-sinusoidal type were compared. The advantages of the non-sinusoidal type of oscillating system were shown, which include a decrease in depth of the oscillation marks on the surface of continuous-cast billet, an improvement in the mold-ingot lubrication conditions, and higher quality of continuous-cast billets.
Vorheriger Artikel Study of Grinding Ball Quality Properties During Manufacture in a Screw Rolling Mill
Nächster Artikel Correlation of 12% Chromium Ferritic-Martensitic Steel Heat Resistance with Supercooled Austenite Stability Indices

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Metadaten
Titel
Mold Oscillating System with Optimized Non-Sinusoidal Oscillation Profile
verfasst von
Chao Zhou
Xingzhong Zhang
Fang Wang
Yiming Fang
Publikationsdatum
14.11.2019
Verlag
Springer US
Erschienen in
Metallurgist / Ausgabe 5-6/2019
Print ISSN: 0026-0894
Elektronische ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-019-00864-1

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